:root {
  --ink: #17201c;
  --muted: #5f6f67;
  --line: #dfe7e2;
  --paper: #fbfcfa;
  --soft: #edf5f0;
  --green: #0f6b3d;
  --green-dark: #0b4a2e;
  --blue: #245f8f;
  --amber: #c9872b;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(23, 32, 28, 0.12);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: 0;
}

p {
  color: var(--muted);
}

.skip-link {
  left: 1rem;
  position: absolute;
  top: -10rem;
  z-index: 100;
}

.skip-link:focus {
  background: var(--white);
  border: 2px solid var(--green);
  padding: 0.5rem 0.75rem;
  top: 1rem;
}

.site-header {
  align-items: center;
  background: rgba(251, 252, 250, 0.96);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr auto;
  left: 0;
  padding: 0.85rem 1rem;
  position: sticky;
  right: 0;
  top: 0;
  z-index: 50;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 0.7rem;
  min-width: 0;
}

.brand-symbol {
  align-items: center;
  background: var(--green);
  border-radius: 8px;
  color: var(--white);
  display: inline-flex;
  flex: 0 0 2.6rem;
  font-size: 0.82rem;
  font-weight: 800;
  height: 2.6rem;
  justify-content: center;
  letter-spacing: 0;
  width: 2.6rem;
}

.brand strong {
  display: block;
  font-size: 1rem;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  display: block;
  font-size: 0.78rem;
  line-height: 1.2;
}

.desktop-nav {
  display: none;
}

.header-actions {
  align-items: center;
  display: flex;
  gap: 0.5rem;
}

.phone-link,
.lang-link {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--green-dark);
  display: none;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.55rem 0.7rem;
}

.menu-button {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  height: 2.5rem;
  justify-content: center;
  width: 2.5rem;
}

.menu-button span:not(.sr-only) {
  background: var(--ink);
  border-radius: 999px;
  display: block;
  height: 2px;
  width: 1.1rem;
}

.sr-only {
  height: 1px;
  margin: -1px;
  overflow: hidden;
  position: absolute;
  width: 1px;
}

.mobile-nav {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: none;
  grid-column: 1 / -1;
  padding: 0.5rem;
}

.mobile-nav[data-open="true"] {
  display: grid;
}

.mobile-nav a {
  border-radius: 6px;
  color: var(--ink);
  font-weight: 700;
  padding: 0.72rem 0.8rem;
}

.mobile-nav a:hover {
  background: var(--soft);
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 2rem 1rem 2.5rem;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.05rem, 8vw, 4.8rem);
  margin-bottom: 0.75rem;
}

.hero h2 {
  color: var(--blue);
  font-size: clamp(1.35rem, 5vw, 2.2rem);
  margin-bottom: 0.55rem;
}

.hero-subtitle {
  color: var(--green-dark);
  font-size: 1.04rem;
  font-weight: 800;
}

.hero-support {
  border-left: 4px solid var(--amber);
  margin-top: 1rem;
  padding-left: 0.85rem;
}

.hero-visual {
  border-radius: 8px;
  min-height: 26rem;
  overflow: hidden;
  position: relative;
}

.hero-visual img {
  height: 100%;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.hero-note {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  bottom: 1rem;
  box-shadow: var(--shadow);
  left: 1rem;
  padding: 0.8rem 0.95rem;
  position: absolute;
  right: 1rem;
}

.hero-note strong,
.hero-note span {
  display: block;
}

.hero-note strong {
  color: var(--green-dark);
  font-size: 1.2rem;
}

.hero-note span {
  color: var(--muted);
  font-size: 0.9rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.3rem 0;
}

.btn {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  gap: 0.5rem;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.05rem;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--green-dark);
}

.btn-mark {
  align-items: center;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  display: inline-flex;
  height: 1.55rem;
  justify-content: center;
  width: 1.55rem;
}

.btn-secondary .btn-mark {
  background: var(--soft);
}

.tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0;
}

.tag-pills span {
  background: var(--soft);
  border: 1px solid #d5e7dc;
  border-radius: 999px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.34rem 0.62rem;
}

.section {
  padding: 3rem 1rem;
}

.section-muted {
  background: var(--soft);
}

.section-intro {
  margin: 0 auto 1.6rem;
  max-width: 860px;
  text-align: left;
}

.section-intro h2,
.page-hero h1,
.bottom-cta h2,
.trust-section h2 {
  font-size: clamp(1.55rem, 5vw, 2.6rem);
  margin-bottom: 0.65rem;
}

.service-grid,
.article-grid,
.detail-grid,
.mini-card-grid,
.area-card-grid,
.contact-grid {
  display: grid;
  gap: 1rem;
  margin: 0 auto;
  max-width: 1180px;
}

.service-card,
.article-card,
.detail-card,
.mini-card,
.area-card-grid article,
.contact-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.service-media,
.article-media {
  aspect-ratio: 16 / 10;
  background: #dfe7e2;
  display: block;
}

.service-media img,
.article-media img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.service-card-body,
.article-card-body,
.detail-card,
.area-card-grid article,
.contact-grid article {
  padding: 1.1rem;
}

.service-kicker {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.service-card h3,
.detail-card h3,
.detail-card h2,
.mini-card strong,
.area-card-grid h2,
.contact-grid h2 {
  font-size: 1.16rem;
  margin-bottom: 0.5rem;
}

.text-link {
  color: var(--green-dark);
  display: inline-flex;
  font-weight: 800;
  margin-top: 0.4rem;
}

.muted-link {
  color: var(--blue);
}

.article-meta {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.8rem;
  font-weight: 800;
  gap: 0.45rem;
  margin-bottom: 0.6rem;
}

.article-meta span {
  background: var(--soft);
  border-radius: 999px;
  padding: 0.25rem 0.55rem;
}

.article-meta.light span {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
}

.article-card h3 {
  font-size: 1.12rem;
  margin-bottom: 0.5rem;
}

.article-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.media-split,
.two-column,
.trust-section,
.form-shell {
  display: grid;
  gap: 1.5rem;
  margin: 0 auto;
  max-width: 1180px;
}

.side-image {
  margin: 0;
}

.side-image img,
.trust-section img {
  border-radius: 8px;
  height: 100%;
  max-height: 760px;
  object-fit: cover;
  width: 100%;
}

.side-image figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.6rem;
}

.process-grid {
  counter-reset: steps;
  display: grid;
  gap: 1rem;
  margin: 0 auto;
  max-width: 1180px;
}

.process-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.05rem;
}

.process-grid span {
  align-items: center;
  background: var(--green);
  border-radius: 8px;
  color: var(--white);
  display: inline-flex;
  font-weight: 900;
  height: 2.1rem;
  justify-content: center;
  margin-bottom: 0.75rem;
  width: 2.1rem;
}

.process-grid h3 {
  font-size: 1.03rem;
  margin-bottom: 0.35rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-list details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.95rem 1rem;
}

.faq-list summary {
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 0.65rem 0 0;
}

.cta-panel,
.quote-band,
.areas-band,
.bottom-cta,
.page-hero {
  background: var(--green-dark);
  border-radius: 8px;
  color: var(--white);
  padding: 1.35rem;
}

.cta-panel p,
.quote-band p,
.areas-band p,
.bottom-cta p,
.page-hero p,
.cta-panel .eyebrow,
.areas-band .eyebrow,
.page-hero .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.cta-panel .tag-pills span,
.bottom-cta .tag-pills span {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--white);
}

.areas-band {
  align-items: center;
  display: grid;
  gap: 1rem;
  margin: 0 auto;
  max-width: 1180px;
}

.area-list,
.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.area-list span,
.keyword-cloud a {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green-dark);
  font-weight: 800;
  padding: 0.45rem 0.75rem;
}

.trust-section {
  align-items: center;
}

.trust-section > div {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
}

.bottom-cta {
  margin: 0 1rem 3rem;
  text-align: left;
}

.center-action {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.5rem auto 0;
  max-width: 1180px;
}

.pagination {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
  margin: 1.6rem auto 0;
  max-width: 1180px;
}

.page-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
}

.page-number,
.page-step {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--green-dark);
  display: inline-flex;
  font-weight: 850;
  justify-content: center;
  min-height: 2.65rem;
  min-width: 2.65rem;
  padding: 0.55rem 0.78rem;
}

.page-number.active {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.page-step {
  background: var(--white);
  min-width: 5.4rem;
}

.page-step.disabled {
  color: var(--muted);
  opacity: 0.48;
}

.content-narrow {
  margin: 0 auto;
  max-width: 880px;
}

.lead {
  color: var(--ink);
  font-size: 1.05rem;
}

.align-start {
  align-items: start;
}

.check-list {
  display: grid;
  gap: 0.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem 0.95rem 0.85rem 2.6rem;
  position: relative;
}

.check-list li::before {
  align-items: center;
  background: var(--green);
  border-radius: 6px;
  color: var(--white);
  content: "✓";
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 900;
  height: 1.35rem;
  justify-content: center;
  left: 0.85rem;
  position: absolute;
  top: 0.88rem;
  width: 1.35rem;
}

.quote-band {
  align-items: center;
  display: grid;
  gap: 1rem;
  margin: 0 auto;
  max-width: 1180px;
}

.mini-card {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
}

.mini-card span {
  color: var(--muted);
}

.page-hero {
  margin: 1rem;
  padding-top: 2rem;
}

.page-hero h1 {
  max-width: 900px;
}

.page-hero p {
  max-width: 760px;
}

.area-card-grid article span,
.contact-icon {
  align-items: center;
  background: var(--soft);
  border-radius: 8px;
  color: var(--green-dark);
  display: inline-flex;
  font-weight: 900;
  height: 2.35rem;
  justify-content: center;
  margin-bottom: 0.8rem;
  width: 2.35rem;
}

.area-card-grid article span::before {
  content: "•";
  font-size: 2rem;
  line-height: 1;
}

.contact-grid a {
  color: var(--green-dark);
  font-weight: 900;
}

.form-shell {
  align-items: start;
}

.article-hero {
  background: linear-gradient(135deg, var(--green-dark), #174b62);
}

.article-layout {
  align-items: start;
  display: grid;
  gap: 1.25rem;
  margin: 0 auto;
  max-width: 1180px;
}

.article-content,
.article-sidebar .sidebar-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.article-content {
  overflow: hidden;
}

.article-hero-image {
  aspect-ratio: 16 / 8;
  object-fit: cover;
  width: 100%;
}

.article-content > .lead,
.article-section,
.inline-cta {
  margin-left: auto;
  margin-right: auto;
  max-width: 820px;
  padding-left: 1rem;
  padding-right: 1rem;
}

.article-content > .lead {
  margin-top: 1.5rem;
}

.article-section {
  padding-bottom: 1.2rem;
  padding-top: 0.4rem;
}

.article-section h2 {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  margin-bottom: 0.65rem;
}

.inline-cta,
.sidebar-card {
  background: var(--soft);
  border: 1px solid #d5e7dc;
  border-radius: 8px;
  padding: 1rem;
}

.inline-cta strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.article-sidebar {
  display: grid;
  gap: 1rem;
}

.sidebar-card h2 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.keyword-cloud.compact a {
  font-size: 0.82rem;
}

.quote-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.quote-form label {
  display: grid;
  gap: 0.35rem;
}

.quote-form span {
  color: var(--ink);
  font-weight: 800;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  background: #fff;
  border: 1px solid #cfdad4;
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
  width: 100%;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form .full {
  grid-column: 1 / -1;
}

.form-output {
  font-weight: 800;
  margin: 0;
}

.site-footer {
  background: #111b17;
  color: var(--white);
  padding: 2.5rem 1rem 5.5rem;
}

.footer-main {
  display: grid;
  gap: 1.5rem;
  margin: 0 auto;
  max-width: 1180px;
}

.site-footer p,
.site-footer small,
.site-footer .footer-links a,
.footer-bottom,
.footer-phone {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer h2 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.footer-phone {
  display: block;
  font-weight: 900;
  margin-top: 0.9rem;
}

.partner-links {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  line-height: 1.9;
  margin: 1.8rem auto 0;
  max-width: 1180px;
  padding-top: 1rem;
}

.footer-bottom {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 1rem auto 0;
  max-width: 1180px;
}

.sticky-cta {
  background: var(--white);
  border-top: 1px solid var(--line);
  bottom: 0;
  box-shadow: 0 -10px 30px rgba(23, 32, 28, 0.12);
  display: grid;
  gap: 0.6rem;
  grid-template-columns: 0.85fr 1.15fr;
  left: 0;
  padding: 0.7rem;
  position: fixed;
  right: 0;
  z-index: 60;
}

.sticky-cta a {
  border-radius: 8px;
  font-weight: 900;
  min-height: 2.8rem;
  padding: 0.65rem;
  text-align: center;
}

.sticky-cta a:first-child {
  background: var(--soft);
  color: var(--green-dark);
}

.sticky-cta a:last-child {
  background: var(--green);
  color: var(--white);
}

@media (min-width: 720px) {
  .phone-link,
  .lang-link {
    display: inline-flex;
  }

  .hero,
  .media-split,
  .two-column,
  .trust-section,
  .form-shell,
  .quote-band,
  .areas-band {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    align-items: stretch;
    padding: 3.5rem 1.5rem;
  }

  .section,
  .page-hero {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .service-grid,
  .article-grid,
  .detail-grid,
  .area-card-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mini-card-grid,
  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .quote-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bottom-cta {
    margin-left: 1.5rem;
    margin-right: 1.5rem;
    padding: 2rem;
  }
}

@media (min-width: 1040px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    padding: 0.85rem 2rem;
  }

  .desktop-nav {
    align-items: center;
    display: flex;
    gap: 0.3rem;
    justify-content: center;
  }

  .desktop-nav a {
    border-radius: 8px;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 800;
    padding: 0.55rem 0.72rem;
  }

  .desktop-nav a:hover {
    background: var(--soft);
    color: var(--green-dark);
  }

  .menu-button,
  .mobile-nav {
    display: none;
  }

  .hero {
    gap: 2.5rem;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
    margin: 0 auto;
    max-width: 1280px;
    padding: 4.8rem 2rem 4rem;
  }

  .section {
    padding: 4.2rem 2rem;
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .detail-grid,
  .article-grid,
  .area-card-grid,
  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .article-sidebar {
    position: sticky;
    top: 6rem;
  }

  .process-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-hero,
  .bottom-cta {
    margin-left: auto;
    margin-right: auto;
    max-width: 1180px;
  }

  .footer-main {
    grid-template-columns: 1.4fr 0.9fr 0.9fr;
  }

  .sticky-cta {
    display: none;
  }

  .site-footer {
    padding-bottom: 2.5rem;
  }
}